Aix en Provence 1978
Guillermo Vilas won the title, beating Jose Luis Clerc 6–3 6–0 6–3 in the final.
Main draw 32 players
- 1🇦🇷Guillermo VilasFinal · Champion
- 2🇦🇷Jose Luis ClercFinal · Lost to Guillermo Vilas
- 3🇨🇱Hans GildemeisterRound of 32 · Lost to Christophe Freyss
- 4🇳🇿Chris LewisSemifinals · Lost to Guillermo Vilas
- 5🇩🇪Karl MeilerRound of 32 · Lost to Georges Goven
- 6🇨🇿Tomas SmidQuarterfinals · Lost to Jose Luis Clerc
- 7🇫🇷Patrick ProisyQuarterfinals · Lost to Guillermo Vilas
- 8🇩🇪Peter ElterRound of 32 · Lost to Ivan Lendl
- 🇺🇸Ivan LendlSemifinals · Lost to Jose Luis Clerc
- 🇫🇷Eric DeblickerQuarterfinals · Lost to Ivan Lendl
- 🇫🇷Georges GovenQuarterfinals · Lost to Chris Lewis
- 🇫🇷Bernard FritzRound of 16 · Lost to Georges Goven
- 🇫🇷Christophe FreyssRound of 16 · Lost to Eric Deblicker
- Q🇦🇷Fernando Dalla FontanaRound of 16 · Lost to Ivan Lendl
- 🇫🇷Gilles MorettonRound of 16 · Lost to Patrick Proisy
- 🇨🇿Jan KodesRound of 16 · Lost to Tomas Smid
- 🇫🇷Jean Louis HailletRound of 16 · Lost to Chris Lewis
- 🇩🇪Rolf GehringRound of 16 · Lost to Guillermo Vilas
- 🇫🇷Yannick NoahRound of 16 · Lost to Jose Luis Clerc
- 🇨🇴Alvaro BetancurRound of 32 · Lost to Jan Kodes
- 🇬🇧Andrew JarrettRound of 32 · Lost to Jean Louis Haillet
- Q🇲🇨Bernard BalleretRound of 32 · Lost to Rolf Gehring
- 🇫🇷Christophe Roger-VasselinRound of 32 · Lost to Bernard Fritz
- Q🇫🇷Dominique BedelRound of 32 · Lost to Chris Lewis
- 🇫🇷Gerard ToulonRound of 32 · Lost to Yannick Noah
- 🇨🇴Ivan MolinaRound of 32 · Lost to Patrick Proisy
- Q🇪🇸Jairo VelascoRound of 32 · Lost to Guillermo Vilas
- 🇫🇷Pascal PortesRound of 32 · Lost to Eric Deblicker
- 🇫🇷Patrice DominguezRound of 32 · Lost to Tomas Smid
- 🇦🇺Paul McnameeRound of 32 · Lost to Fernando Dalla Fontana
- 🇦🇺Rod FrawleyRound of 32 · Lost to Jose Luis Clerc
- 🇨🇿Stanislav BirnerRound of 32 · Lost to Gilles Moretton